AI · alternatives · 2026
24 alternatives to Hello Inbox
Maximize inbox placement for email marketing campaigns
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Hello Inbox launched in 2022; newer entries below may have overtaken it.
- 1
Maximize inbox placement for email marketing campaigns — backed by a Top-Rated expert.
Jun 2026 · helloinbox.email · its alternatives →
- 2HI
After struggling with low open rates in my small lifestyle software business, I decided to go down the rabbit hole that is email deliverability, learned a bunch of things I didn't know even after being in tech for a decade. A/B tested a bunch of things and finally got good results. I then decided to put together a comprehensive checklist of everything I learned and got me results to share with others. Now I help companies fix poor email deliverability and boost their email ROI. I want this checklist to be a repository of email best practices so I'm always looking to improve and update…
2023 · helloinbox.net · its alternatives →
- 3
Inbox Zero▲821Clean up your inbox in minutes, open source
2023 · getinboxzero.com · its alternatives →
- 4
Folderly▲747Get revenue from every email campaign - 99.9% inbox rate
2023 · folderly.com · its alternatives →
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Preview, analyze & test emails with one click
2022 · its alternatives →
- 8
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- 10
Mailgo▲470AI-powered cold email platform that boosts deliverability
2025 · mailgo.ai · its alternatives →
- 11
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AI Agents & Email deliverability experts on your team
Jul 2026 · mailadept.com · its alternatives →
- 13
MailTester.AI▲328Forward an email and get an AI deliverability report in 30s
Oct 2025 · mailtester.ai · its alternatives →
- 14
Make sure your emails land in the inbox, not spam
2021 · its alternatives →
- 15
Deliveryman.ai▲186Cold email infrastructure on autopilot without Gsuite
Jun 2026 · deliveryman.ai · its alternatives →
- 16
- 17
A free step by step guide to maximize email deliverability
2019 · its alternatives →
- 18
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- 20OS
Hi HN! We’re Aleem, Chris, Borys, Meichen and Zach from Streak (YC S11) and today we’re open sourcing our InboxSDK https://www.inboxsdk.com, which makes it easy to build apps for Gmail. Over 1.8B users spend their days in Gmail! Having your app built into the Gmail workflow is a better user experience and gives you great user retention. InboxSDK gives you a high-level, declarative API to insert your UI into Gmail without having to directly manipulate the DOM yourself. End users install a browser extension to use your app. The SDK can add UI to multiple areas of Gmail. For example,…
2022 · its alternatives →
- 21
PureBox.ai▲139Review-first AI cleanup for your real Gmail inbox.
Jul 2026 · purebox.ai · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →